**Exhibit21**

**SubsidiaryListing**

 

As of December 31,2003, the following is a listing of the subsidiaries of each registrant inwhich Cinergy Corp. has a greater than 10% ownership interest in and theirstate or country of incorporation or organization indented to show degree ofremoteness from registrant.

 
| **Name of Company  (Indentation indicates subsidiary relationship)** |   | **State or  Country of  Organization or  Incorporation** |
|----------------------------------------------------------------------|--------|----------------------------------------------------------|
|                                                                 |   |                                                     |
| **Cinergy  Corp.****(1)**                                            |   | Delaware                                                 |
|                                                                 |   |                                                     |
| **Cinergy Services, Inc.**                                           |   | Delaware                                                 |
|                                                                 |   |                                                     |
| **CC Funding Trust I**                                               |   | Delaware                                                 |
|                                                                 |   |                                                     |
| **CC Funding Trust II**                                              |   | Delaware                                                 |
|                                                                 |   |                                                     |
| **Cinergy Receivables Company LLC**                                  |   | Delaware                                                 |
|                                                                 |   |                                                     |
| **The Cincinnati Gas & Electric Company (1)**                    |   | Ohio                                                     |
| Cinergy  Power Investments, Inc.                                     |   | Ohio                                                     |
| CPI  Allowance Management, LLC                                       |   | Delaware                                                 |
| CPI  Investments, LLC                                                |   | Delaware                                                 |
| The  Union Light, Heat and Power Company (1)                         |   | Kentucky                                                 |
| Tri-State  Improvement Company                                       |   | Ohio                                                     |
| Lawrenceburg  Gas Company                                            |   | Indiana                                                  |
| Miami  Power Corporation                                             |   | Indiana                                                  |
| KO  Transmission Company                                             |   | Kentucky                                                 |
|                                                                 |   |                                                     |
| **PSI Energy, Inc. (1)**                                             |   | Indiana                                                  |
| South  Construction Company, Inc.                                    |   | Indiana                                                  |
|                                                                 |   |                                                     |
| **Cinergy Investments, Inc.**                                        |   | Delaware                                                 |
| **Cinergy-Cadence, Inc.**                                            |   | Indiana                                                  |
| Cadence  Network, Inc.                                               |   | Delaware                                                 |
| **Cinergy Capital & Trading, Inc.**                              |   | Indiana                                                  |
| Brownsville  Power I, LLC                                            |   | Delaware                                                 |
| Caledonia  Power I, LLC                                              |   | Delaware                                                 |
| CinPower  I, LLC                                                     |   | Delaware                                                 |
| Cinergy  Canada, Inc.                                                |   | Canada                                                   |
| Cinergy  Climate Change Investments LLC                              |   | Delaware                                                 |
| **Cinergy Limited Holdings, LLC**                                    |   | Delaware                                                 |
| **Cinergy Marketing & Trading, LP**                              |   | Delaware                                                 |
| Ohio  River Valley Propane, LLC                                      |   | Delaware                                                 |
| Cinergy  General Holdings, LLC                                       |   | Delaware                                                 |
| **Cinergy Retail Power Limited, Inc.**                               |   | Delaware                                                 |
| Cinergy  Retail Power, L.P.                                          |   | Delaware                                                 |
| Cinergy  Retail Power General, Inc.                                  |   | Texas                                                    |
| Cinergy  Retail Sales, LLC                                           |   | Delaware                                                 |
| CinFuel  Resources, Inc.                                             |   | Delaware                                                 |
| **LH1, LLC**                                                         |   | Delaware                                                 |
| Oak  Mountain Products, LLC                                          |   | Delaware                                                 |
| Cinergy  Transportation, LLC                                         |   | Delaware                                                 |
| SynCap  II, LLC                                                      |   | Delaware                                                 |

 

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(1) Companies indicatedare registrants with the Securities and Exchange Commission.

 

1

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| **Cinergy Telecommunications Holding Company, Inc.**     |   | Delaware     |
|----------------------------------------------------------|--------|--------------|
| **Q-Comm Corporation**                                   |   | Nevada       |
| QCC,  Inc.                                               |   | Nevada       |
| Cinergy  Communications Company                          |   | Kentucky     |
| Cinergy  MetroNet, Inc.                                  |   | Indiana      |
| **Kentucky Data Link, Inc.**                             |   | Kentucky     |
| Chattanooga  Data Link, Inc.                             |   | Tennessee    |
| Cincinnati  Data Link, Inc.                              |   | Ohio         |
| Cinergy  Telecommunication Networks – Indiana, Inc. |   | Indiana      |
| Cinergy  Telecommunication Networks – Ohio, Inc.    |   | Ohio         |
| Indianapolis  Data Link, Inc.                            |   | Indiana      |
| KDL  Holdings, LLC                                       |   | Delaware     |
| Knoxville  Data Link, Inc.                               |   | Tennessee    |
| Lexington  Data Link, Inc.                               |   | Kentucky     |
| Louisville  Data Link, Inc.                              |   | Kentucky     |
| Memphis  Data Link, Inc.                                 |   | Tennessee    |
| Nashville  Data Link, Inc.                               |   | Tennessee    |
| **Lattice Communications, LLC**                          |   | Delaware     |
| LB  Tower Company, LLC                                   |   | Delaware     |
| Cinergy  Engineering, Inc.                               |   | Ohio         |
| Cinergy-Centrus,  Inc.                                   |   | Delaware     |
| Cinergy-Centrus  Communications, Inc.                    |   | Delaware     |
| **Cinergy Solutions Holding Company, Inc.**              |   | Delaware     |
| **3036243 Nova Scotia Company**                          |   | Canada       |
| **Cinergy Solutions Limited Partnership**                |   | Canada       |
| 3075959  Nova Scotia Company                             |   | Canada       |
| 1388368  Ontario Inc.                                    |   | Canada       |
| **Vestar, Inc.**                                         |   | Delaware     |
| **Vestar Limited**                                       |   | Canada       |
| Keen  Rose Technology Group Limited                      |   | Canada       |
| Optimira  Controls, Inc.                                 |   | Canada       |
| Cinergy  EPCOM, LLC                                      |   | Delaware     |
| Cinergy  EPCOM College Park, LLC                         |   | Delaware     |
| **Cinergy Solutions, Inc.**                              |   | Delaware     |
| **BSPE Holdings, LLC**                                   |   | Delaware     |
| **BSPE Limited, LLC**                                    |   | Delaware     |
| BSPE,  L.P.                                              |   | Delaware     |
| **BSPE General, LLC**                                    |   | Texas        |
| **Cinergy Energy Solutions, Inc.**                       |   | Delaware     |
| **U.S. Energy Biogas Corp**                              |   | Delaware     |
| **Biogas Financial Corporation**                         |   | Connecticut  |
| **ZFC Energy, Inc.**                                     |   | Delaware     |
| **Power Generation (Suffolk), Inc.**                     |   | Delaware     |
| Suffolk  Energy Partners, L.P.                           |   | Virginia     |
| Suffolk  Biogas, Inc.                                    |   | Delaware     |
| Lafayette  Energy Partners, L.P.                         |   | New Jersey   |
| Taylor  Energy Partners, L.P.                            |   | Pennsylvania |
| **Resources Generating Systems, Inc.**                   |   | New York     |
| Hoffman  Road Energy Partners, LLC                       |   | Delaware     |
| **Illinois Electrical Generation Partners, L.P.**        |   | Delaware     |
| Zapco  Illinois Energy, Inc.                             |   | Delaware     |
| Avon  Energy Partners, L.L.C.                            |   | Illinois     |
| Devonshire  Power Partners, L.L.C.                       |   | Illinois     |
| Riverside  Resource Recovery, L.L.C.                     |   | Illinois     |
| **Illinois Electrical Generation Partners II L.P.**      |   | Delaware     |
| **BMC Energy,****LLC**                                   |   | Delaware     |
| Brookhaven  Energy Partners, LLC                         |   | New York     |
| Countryside  Genco, L.L.C.                               |   | Delaware     |
| Morris  Genco, L.L.C.                                    |   | Delaware     |
| Brickyard  Energy Partners, LLC                          |   | Delaware     |

 

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| Dixon/Lee  Energy Partners, LLC                          |   | Delaware      |
|----------------------------------------------------------|--------|---------------|
| Roxanna  Resource Recovery L.L.C.                        |   | Illinois      |
| Streator  Energy Partners, LLC                           |   | Delaware      |
| Upper  Rock Energy Partners, LLC                         |   | Delaware      |
| Barre  Energy Partners, L.P.                             |   | Delaware      |
| Biomass  New Jersey L.L.C.                               |   | New Jersey    |
| Brown  County Energy Associates, LLC                     |   | Delaware      |
| Burlington  Energy, Inc.                                 |   | Vermont       |
| Cape  May Energy Associates, L.P.                        |   | Delaware      |
| Dunbarton  Energy Partners, Limited Partnership          |   | New Hampshire |
| Garland  Energy Development, LLC                         |   | Delaware      |
| Oceanside  Energy, Inc.                                  |   | New York      |
| Onondaga  Energy Partners, L.P.                          |   | New York      |
| Oyster  Bay Energy Partners, L.P.                        |   | New York      |
| Smithtown  Energy Partners, L.P.                         |   | New York      |
| Springfield  Energy Associates Limited Partnership       |   | Vermont       |
| Suffolk  Transmission Partner, L.P.                      |   | Delaware      |
| Tucson  Energy Partners LP                               |   | Delaware      |
| Zapco  Broome Nanticoke Corp.                            |   | New York      |
| Zapco  Development Corporation                           |   | Delaware      |
| Zapco  Energy Tactics Corporation                        |   | Delaware      |
| Zapco  Readville Cogeneration, Inc.                      |   | Delaware      |
| ZFC  Royalty Partners, A Connecticut Limited Partnership |   | Connecticut   |
| ZMG,  Inc.                                               |   | Delaware      |
| **Cinergy GASCO Solutions, LLC**                         |   | Delaware      |
| Countryside  Landfill Gasco., L.L.C.                     |   | Delaware      |
| Morris  Gasco, L.L.C.                                    |   | Delaware      |
| Brown  County Landfill Gas Associates, L.P.              |   | Delaware      |
| Cinergy  Solutions of Monaca, LLC                        |   | Delaware      |
| Cinergy  Solutions of Narrows, LLC                       |   | Delaware      |
| Cinergy  Solutions of Rock Hill, LLC                     |   | Delaware      |
| Cinergy  Solutions of St. Bernard, LLC                   |   | Delaware      |
| Cinergy  Solutions Operating Services of Lansing, LLC    |   | Delaware      |
| Cinergy  Solutions Operating Services of Shreveport, LLC |   | Delaware      |
| Cinergy  Solutions Operating Services of Oklahoma, LLC   |   | Delaware      |
| Cinergy  Solutions of Philadelphia, LLC                  |   | Delaware      |
| **Cinergy Solutions Partners, LLC**                      |   | Delaware      |
| **CST Limited, LLC**                                     |   | Delaware      |
| **CST Green Power, L.P.**                                |   | Delaware      |
| **Green Power Holdings, LLC**                            |   | Delaware      |
| **Green Power Limited, LLC**                             |   | Delaware      |
| South  Houston Green Power, L.P.                         |   | Delaware      |
| Green  Power G.P., LLC                                   |   | Texas         |
| CST  General, LLC                                        |   | Delaware      |
| CSGP  of Southeast Texas, LLC                            |   | Delaware      |
| **CSGP Limited, LLC**                                    |   | Delaware      |
| CSGP  Services, L.P.                                     |   | Delaware      |
| CSGP  General, LLC                                       |   | Texas         |
| Lansing  Grand River Utilities, LLC                      |   | Delaware      |
| Oklahoma  Arcadian Utilities, LLC                        |   | Delaware      |
| Shreveport  Red River Utilities, LLC                     |   | Delaware      |
| Cinergy  Solutions of Tuscola, Inc.                      |   | Delaware      |
| Delta  Township Utilities, LLC                           |   | Delaware      |
| Energy  Equipment Leasing LLC                            |   | Delaware      |
| Trigen-Cinergy  Solutions LLC                            |   | Delaware      |
| Trigen-Cinergy  Solutions of Ashtabula LLC               |   | Delaware      |
| Cinergy  Solutions of Boca Raton, LLC                    |   | Delaware      |
| Cinergy  Solutions of Cincinnati LLC                     |   | Ohio          |
| **Trigen-Cinergy Solutions of Lansing LLC**              |   | Delaware      |
| Trigen/Cinergy  – USFOS of Lansing LLC              |   | Delaware      |
| Trigen-Cinergy  Solutions of Orlando LLC                 |   | Delaware      |

 

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| Trigen-Cinergy  Solutions of Owings Mills LLC                           |   | Delaware            |
|-------------------------------------------------------------------------|--------|---------------------|
| Trigen-Cinergy  Solutions of Owings Mills Energy Equipment Leasing, LLC |   | Delaware            |
| Trigen-Cinergy  Solutions of Rochester LLC                              |   | Delaware            |
| Trigen-Cinergy  Solutions of San Diego LLC                              |   | Delaware            |
| Trigen-Cinergy  Solutions of Silver Grove LLC                           |   | Delaware            |
| Trigen-Cinergy  Solutions of the Southeast LLC                          |   | Delaware            |
| **Cinergy Solutions of St. Paul LLC**                                   |   | Delaware            |
| Environmental  Wood Supply, LLC                                         |   | Minnesota           |
| St.  Paul Cogeneration LLC                                              |   | Minnesota           |
| Trigen-Cinergy  Solutions of Tuscola, LLC                               |   | Delaware            |
| **Cinergy Supply Network, Inc.**                                        |   | Delaware            |
| **Reliant Services, LLC**                                               |   | Indiana             |
| **MP Acquisitions Corp., Inc.**                                         |   | Indiana             |
| Miller  Pipeline Corporation                                            |   | Indiana             |
| Fiber  Link, LLC                                                        |   | Indiana             |
| Cinergy  Technology, Inc.                                               |   | Indiana             |
|                                                                    |   |                |
| **Cinergy  Global Resources, Inc.**                                     |   | Delaware            |
| Cinergy  UK, Inc.                                                       |   | Delaware            |
| **Cinergy Global Power, Inc.**                                          |   | Delaware            |
| **CGP Global Greece Holdings, SA**                                      |   | Greece              |
| **Attiki Denmark ApS**                                                  |   | Denmark             |
| Attiki  Gas Supply Company SA                                           |   | Greece              |
| **Cinergy Global Chandler Holding, Inc.**                               |   | Delaware            |
| Cinergy  Global Chandler I, Inc.                                        |   | Delaware            |
| **Cinergy Global Ely, Inc.**                                            |   | Delaware            |
| **EPR Ely Power Limited**                                               |   | England             |
| **EPR Ely Limited**                                                     |   | England             |
| Ely  Power Limited                                                      |   | England             |
| Anglian  Straw Limited                                                  |   | England             |
| Anglian  Ash Limited                                                    |   | England             |
| Cinergy  Global Foote Creek, Inc.                                       |   | Delaware            |
| Cinergy  Global Foote Creek II, Inc.                                    |   | Delaware            |
| Cinergy  Global Foote Creek IV, Inc.                                    |   | Delaware            |
| Cinergy  Global Peetz Table I, Inc.                                     |   | Delaware            |
| Cinergy  Global Power Services Limited                                  |   | England             |
| **Cinergy Global Power (UK) Limited**                                   |   | England             |
| **Cinergy Global Trading Limited**                                      |   | England             |
| Cinergy  Trading and Marketing Limited                                  |   | England & Wales |
| Commercial  Electricity Supplies Limited                                |   | England             |
| Cinergy  Renewable Trading Limited                                      |   | England             |
| UK  Electric Power Limited                                              |   | England             |
| Cinergy  Global Power Iberia, S.A.                                      |   | Spain               |
| **Cinergy Global Holdings, Inc.**                                       |   | Delaware            |
| **Cinergy Holdings B.V.**                                               |   | The Netherlands     |
| Cinergetika  U/L a.s.                                                   |   | Czech Republic      |
| Cinergy  Global Polska Sp. Z.o.o.                                       |   | Poland              |
| **Cinergy Zambia B.V.**                                                 |   | The Netherlands     |
| **Copperbelt Energy Corporation PLC**                                   |   | Republic of Zambia  |
| Power  Sports Limited                                                   |   | Republic of Zambia  |
| Moravske  Teplarny a.s.                                                 |   | Czech Republic      |
| **Cinergy Global (Cayman) Holdings, Inc.**                              |   | Cayman Islands      |
| Cinergy  Global Hydrocarbons Pakistan                                   |   | Cayman Islands      |
| **Cinergy Global Tsavo Power**                                          |   | Cayman Islands      |
| **IPS-Cinergy Power Limited**                                           |   | Kenya               |
| Tsavo  Power Company Limited                                            |   | Kenya               |
| Cinergy  MPI V, Inc.                                                    |   | Cayman Islands      |
| **Cinergy Global One, Inc.**                                            |   | Delaware            |
| **CZECHPOL ENERGY spol, s.r.o.**                                        |   | Czech Republic      |
| eVent  Resources Overseas I, LLC                                        |   | Delaware            |

 

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| Midlands  Hydrocarbons (Bangladesh) Limited        |   | England      |
|----------------------------------------------------|--------|--------------|
| Cinergy  Global Power Africa (Proprietary) Limited |   | South Africa |
|                                               |   |         |
| **CinTec LLC**                                     |   | Delaware     |
| **CinTec I LLC**                                   |   | Delaware     |
| **eVent Resources I LLC**                          |   | Delaware     |
| eVent  Resources Holdings LLC                      |   | Delaware     |
| **CinTec II LLC**                                  |   | Delaware     |
|                                               |   |         |
| **Cinergy Technologies, Inc.**                     |   | Delaware     |
| **Cinergy Broadband, LLC**                         |   | Delaware     |
| CCB  Communications, LLC                           |   | Delaware     |
| CCB  Indiana, LLC                                  |   | Delaware     |
| CCB  Kentucky, LLC                                 |   | Delaware     |
| CCB  Ohio, LLC                                     |   | Delaware     |
| National  BPL, LLC                                 |   | Delaware     |
| **Cinergy Ventures, LLC**                          |   | Delaware     |
| Configured  Energy Systems, Inc.                   |   | Delaware     |
| Maximum  Performance Group, Inc.                   |   | Delaware     |
| Kreiss  Johnson Technologies, Inc.                 |   | California   |
| **Cinergy Ventures II, LLC**                       |   | Delaware     |
| Catalytic  Solutions, Inc.                         |   | California   |
| Electric  City Corp.                               |   | Delaware     |
| **Cinergy e-Supply Network, LLC**                  |   | Delaware     |
| Pantellos                                          |   | Delaware     |
| Cinergy  One, Inc.                                 |   | Delaware     |
| Cinergy  Two, Inc.                                 |   | Delaware     |
|                                               |   |         |
| **Cinergy Wholesale Energy, Inc.**                 |   | Ohio         |
| Cinergy  Power Generation Services, LLC            |   | Delaware     |
| Cinergy  Origination & Trade, LLC              |   | Delaware     |
|                                               |   |         |
| **Cinergy Foundation, Inc.**                       |   | Indiana      |

 

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